To upset, to disconcert.
1843. I dissarned a leetle sprinkle of snow and a likelihood for a snow storm. Howsomever, this didnt [sic] faze me, only I steps back for my old camlit cloak.B. R. Hall (Robert Carlton), The New Purchase, i. 174.
1852. The 18 lb. shot struck [General Scott] in the pit of the stomach, and never phased him.Oregonian, Dec. 25.
1859. Illustration of the preservative qualities of his liquors, which would give a man such a stomach that even a dram of nitric acid would not faze it.Harpers Weekly, iii. p. 459/3 (July 16).
1890. This blow, although a fearful one, did not faze me.Columbus (Ohio) Dispatch, July 22. (N.E.D.)